1menuconfig ARCH_VEXPRESS 2 bool "ARM Ltd. Versatile Express family" if ARCH_MULTI_V7 3 select ARCH_REQUIRE_GPIOLIB 4 select ARCH_SUPPORTS_BIG_ENDIAN 5 select ARM_AMBA 6 select ARM_GIC 7 select ARM_GLOBAL_TIMER 8 select ARM_TIMER_SP804 9 select COMMON_CLK_VERSATILE 10 select HAVE_ARM_SCU if SMP 11 select HAVE_ARM_TWD if SMP 12 select HAVE_PATA_PLATFORM 13 select ICST 14 select NO_IOPORT_MAP 15 select PLAT_VERSATILE 16 select POWER_RESET 17 select POWER_RESET_VEXPRESS 18 select POWER_SUPPLY 19 select REGULATOR if MMC_ARMMMCI 20 select REGULATOR_FIXED_VOLTAGE if REGULATOR 21 select VEXPRESS_CONFIG 22 select VEXPRESS_SYSCFG 23 select MFD_VEXPRESS_SYSREG 24 help 25 This option enables support for systems using Cortex processor based 26 ARM core and logic (FPGA) tiles on the Versatile Express motherboard, 27 for example: 28 29 - CoreTile Express A5x2 (V2P-CA5s) 30 - CoreTile Express A9x4 (V2P-CA9) 31 - CoreTile Express A15x2 (V2P-CA15) 32 - LogicTile Express 13MG (V2F-2XV6) with A5, A7, A9 or A15 SMMs 33 (Soft Macrocell Models) 34 - Versatile Express RTSMs (Models) 35 36 You must boot using a Flattened Device Tree in order to use these 37 platforms. The traditional (ATAGs) boot method is not usable on 38 these boards with this option. 39 40if ARCH_VEXPRESS 41 42config ARCH_VEXPRESS_CORTEX_A5_A9_ERRATA 43 bool "Enable A5 and A9 only errata work-arounds" 44 default y 45 select ARM_ERRATA_643719 if SMP 46 select ARM_ERRATA_720789 47 select PL310_ERRATA_753970 if CACHE_L2X0 48 help 49 Provides common dependencies for Versatile Express platforms 50 based on Cortex-A5 and Cortex-A9 processors. In order to 51 build a working kernel, you must also enable relevant core 52 tile support or Flattened Device Tree based support options. 53 54config ARCH_VEXPRESS_DCSCB 55 bool "Dual Cluster System Control Block (DCSCB) support" 56 depends on MCPM 57 select ARM_CCI400_PORT_CTRL 58 help 59 Support for the Dual Cluster System Configuration Block (DCSCB). 60 This is needed to provide CPU and cluster power management 61 on RTSM implementing big.LITTLE. 62 63config ARCH_VEXPRESS_SPC 64 bool "Versatile Express Serial Power Controller (SPC)" 65 select PM_OPP 66 help 67 The TC2 (A15x2 A7x3) versatile express core tile integrates a logic 68 block called Serial Power Controller (SPC) that provides the interface 69 between the dual cluster test-chip and the M3 microcontroller that 70 carries out power management. 71 72config ARCH_VEXPRESS_TC2_PM 73 bool "Versatile Express TC2 power management" 74 depends on MCPM 75 select ARM_CCI400_PORT_CTRL 76 select ARCH_VEXPRESS_SPC 77 select ARM_CPU_SUSPEND 78 help 79 Support for CPU and cluster power management on Versatile Express 80 with a TC2 (A15x2 A7x3) big.LITTLE core tile. 81 82endif 83